guess what i am doing ughhhh

narrowed it down to a area with thehttps://www.google.com/search?q=aut...mGavLsQSyzoLQBg&ved=0CFUQsAQ&biw=1280&bih=603 auto stethoscope and sure enough when ipulled it apart that exact lifter was bad. i am able to compress it in and out with my finger